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Childhood dementia is an umbrella group consisting of over 100 rare neurodegenerative conditions. These are typically genetic, and have in common a progressive cognitive decline and a loss of previously acquired skills.
Posterior cortical atrophy (PCA), also called Benson's syndrome, is a rare form of dementia which is considered a visual variant or an atypical variant of Alzheimer's disease (AD). [1][2][3] The disease causes atrophy of the posterior part of the cerebral cortex, resulting in the progressive disruption of complex visual processing. [4]
Medical condition Dementia with Lewy bodies Other names Diffuse Lewy body disease, dementia due to Lewy body disease Microscopic image of a Lewy body (arrowhead) in a neuron of the substantia nigra ; scale bar=20 microns (0.02 mm) Specialty Neurology, psychiatry Symptoms Dementia, abnormal behavior during REM sleep, fluctuations in alertness, visual hallucinations, parkinsonism Usual onset ...
Chronic progressive external ophthalmoplegia (CPEO) is a type of eye disorder characterized by slowly progressive inability to move the eyes and eyebrows. [1] It is often the only feature of mitochondrial disease, in which case the term CPEO may be given as the diagnosis. In other people suffering from mitochondrial disease, CPEO occurs as part ...
Nearly 1 in 5 dementia cases could be associated with vision impairment, according to a study published Thursday, suggesting better eye health could help to lower the diagnosis rate. Dementia does ...
Cortical visual impairment. Cortical visual impairment (CVI) is a form of visual impairment that is caused by a brain problem rather than an eye problem. (The latter is sometimes termed "ocular visual impairment" when discussed in contrast to cortical visual impairment.) Some people have both CVI and a form of ocular visual impairment.
Signs and symptoms. Frontotemporal dementia is an early onset disorder that mostly occurs between the ages of 45 and 65, [13] but can begin earlier, and in 20–25% of cases onset is later. [11][14] Men and women appear to be equally affected. [15] It is the most common early presenting dementia. [16]
Rheumatology. Saethre–Chotzen syndrome (SCS), also known as acrocephalosyndactyly type III, is a rare congenital disorder associated with craniosynostosis (premature closure of one or more of the sutures between the bones of the skull). This affects the shape of the head and face, resulting in a cone-shaped head and an asymmetrical face.